20887496

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16217}}^1$

素因数の和:16253

約数の個数: 32

約数和(自身を含む): 46707840

約数和(自身を除く): 25820344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16217, 32434, 64868, 113519, 129736, 227038, 372991, 454076, 745982, 908152, 1491964, 2610937, 2983928, 5221874, 10443748, 20887496]

約数ペア:

[(1, 20887496), (2, 10443748), (4, 5221874), (7, 2983928), (8, 2610937), (14, 1491964), (23, 908152), (28, 745982), (46, 454076), (56, 372991), (92, 227038), (161, 129736), (184, 113519), (322, 64868), (644, 32434), (1288, 16217)]